<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>
	<jsp:include page="/pages/common/head.jsp"></jsp:include>

</head>

<script>
	$(function (){
		// var msg = $("#msg").val();
		// if(msg != null && msg !== ""){
		// 	alert(msg);
		// }


		//给删除按钮绑定单机事件
		$("a.deleteItem").click(function (){
			return confirm("你确定要删除【" + $(this).parent().siblings("td").eq(0).text() + "】吗？");
		})

		//清空购物车按钮单机事件
		$("a.clearCart").click(function (){
			return confirm("你确定要清空购物车吗？");
		})

		//修改商品数量输入框的失去焦点事件
		$("input.updateCount").change(function (){
			var count = $(this).val();
			if(confirm("你确定要将【" + $(this).parent().siblings("td").eq(0).text() + "】商品修改数量为：" + count + "吗？")){
				//发起请求，给服务器保存修改
				location.href = "http://localhost:8089/book/cartServlet?action=updateCount&count="+count+"&id="+$(this).attr("bookId");
			}else {
				//defaultValue属性是表单项Dom对象的属性。它表示默认的value属性值。
				this.value = this.defaultValue;
			}
		})
	})
</script>
<style>
	#main .deleteItem{
		display: inline-block;
		padding: 0 5px;
		background-color: #c25151;
		transition: 0.1s;
		font-size: 17px;
		color: #fff;
		text-decoration: none;
		border-radius: 3px;
	}

	#main .deleteItem:hover{
		background-color: #e02a2a;
		transform: scale(1.2);
	}

	#main .clearCart{
		display: inline-block;
		padding: 0 5px;
		background-color: #dcd115;
		transition: 0.1s;
		font-size: 17px;
		color: #fff;
		text-decoration: none;
		border-radius: 3px;
	}

	#main .clearCart:hover{
		transform: scale(1.2);
	}

	#main .toCheck{
		display: inline-block;
		padding: 0 5px;
		background-color: #008fff;
		transition: 0.1s;
		font-size: 17px;
		color: #fff;
		text-decoration: none;
		border-radius: 3px;
	}

	#main .toCheck:hover{
		transform: scale(1.2);
	}


</style>
<body>

	<input type="hidden" value="${sessionScope.msg}" id="msg">

	<div id="header">
			<span class="wel_word">购物车</span>

			<jsp:include page="/pages/common/login_success_menu.jsp"></jsp:include>
	</div>
	
	<div id="main">


		<table>
			<tr>
				<td>商品名称</td>
				<td>数量</td>
				<td>单价</td>
				<td>金额</td>
				<td>操作</td>
			</tr>
			<c:if test="${empty sessionScope.cart.items}">
				<%--购物车空的情况--%>
				<tr>
					<td colspan="5"><a href="index.jsp">亲，当前购物车为空！快跟小伙伴们去浏览商品吧！</a> </td>
				</tr>
			</c:if>
			<c:if test="${not empty sessionScope.cart.items}">
				<%--购物车非空的情况--%>
				<c:forEach items="${sessionScope.cart.items}" var="entry">
					<tr>
						<td>${entry.value.name}</td>
						<td>
							<input bookId="${entry.value.id}" class="updateCount" style="width: 80px" type="text" value="${entry.value.count}">
						</td>
						<td>${entry.value.price}</td>
						<td>${entry.value.totalPrice}</td>
						<td><a class="deleteItem" href="cartServlet?action=deleteItem&id=${entry.value.id}">删除</a></td>
					</tr>
				</c:forEach>
			</c:if>
		</table>


		<c:if test="${not empty sessionScope.cart.items}">
			<div class="cart_info">
				<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.totalCount}</span>件商品</span>
				<span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
				<span class="cart_span"><a class="clearCart" href="cartServlet?action=clear">清空购物车</a></span>
				<span class="cart_span"><a class="toCheck" href="orderServlet?action=createOrder">去结账</a></span>
			</div>
		</c:if>

	</div>

	<%--静态包含页脚内容--%>
	<%@include file="/pages/common/foot.jsp"%>
</body>
</html>